Cite this: Validity and Reliability of Observational Methods for Studying Medication Administration Errors - Medscape - Jan 01, 2001.

A study comparing different statistical methods used to remove the effects of selection bias in observational studies finds that results may vary and caution may be warranted when interpreting ...

Weber's name is commonly invoked in connection with qualitative research methods. This association is historically misleading about the process of emergence of participant observation and its ...

Aim To determine whether independent raters reliably agreed on the antecedent events and mechanisms of injury when using a standardised observational tool known as the heads-up checklist (HUC) to code ...

Recent advancements in particle acceleration technology have led to the discovery of a new method that promises to ...

This makes a difference because the theory method averages the Hubble constant over the entire universe, while the observation method only calculates it within the KBC supervoid.

Chinese scientists have, for the first time worldwide, made an important astronomical discovery in stellar observation, which ...